#define LEDNUM 8 const int LedPin[LEDNUM]{1,2,3,4,5,6,7,8}; void setup() { // put your setup code here, to run once: for(int i0;iLEDNUM;i) { pinMode(LedPin[i], OUTPUT);//设置数字接口为输出模式 } } void loop() { // put your main code here, to run repeatedly: for(int i0;iLEDNUM;i) { if(i!0) { digitalWrite(LedPin[i-1], LOW); } else { digitalWrite(LedPin[LEDNUM-1], LOW); } digitalWrite(LedPin[i], HIGH); delay(1000); } }